Home / 167,210.91-230,747.32-90,730.12

Finding the Fourth Proportional to 167,210.91, 230,747.32 and 90,730.12

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Solution

The fourth proportional to 167,210.91, 230,747.32 and 90,730.12 is: 125,205.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,210.91 : 230,747.32 = 90,730.12 : x
  2. Step 2: Convert to fraction form
    167,210.91/230,747.32 = 90,730.12/x
  3. Step 3: Cross multiply
    167,210.91x = 230,747.32 × 90,730.12
  4. Step 4: Simplify right side
    167,210.91x = 20,935,732,033.28
  5. Step 5: Solve for x
    x = 20,935,732,033.28/167,210.91
  6. Step 6: Final answer
    x = 125,205.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.